* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, sans-serif; background: #111827; color: #e2e8f0; }
.container { max-width: 1400px; margin: 0 auto; padding: 2rem; }
.header h1 { font-size: 2rem; margin-bottom: 0.5rem; color: #6366f1; }
.subtitle { color: #94a3b8; }
.loading { text-align: center; padding: 4rem; color: #94a3b8; }
.card { background: #1f2937; padding: 1.5rem; border-radius: 8px; border-left: 4px solid #6366f1; }
.data-preview { background: #111827; padding: 1rem; border-radius: 4px; overflow-x: auto; font-size: 0.875rem; color: #94a3b8; }
